Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities:
Net income	$ 913	$ 1,355
Adjustments to reconcile net income from continuing operations to net cash provided by operating activities:
Depreciation and amortization	86	34
Stock based compensation	50	43
Changes in operating assets and liabilities:
Accounts receivable	(232)	(136)
Inventories	(93)	(270)
Prepaid expenses and other current assets	163	90
Other assets	(1)	(35)
Accounts payable	11	120
Accrued liabilities	(31)	(18)
Accrued income taxes	97
Deferred income taxes	53
Deferred revenue	(67)	(27)
Net cash provided by operating activities	949	1,156
Cash flows from investing activities:
Property, plant and equipment	(41)	(166)
Intangibles	(19)
Net cash used in investing activities	(60)	(166)
Cash flows from financing activities:
Proceeds from exercise of stock options	34
Net cash provided by financing activities	34
Effect of exchange rate changes on cash and cash equivalents	36	(21)
Net increase in cash and cash equivalents	959	969
Cash and cash equivalents, beginning of period	6,009	4,430
Cash and cash equivalents, end of period	6,968	5,399
Supplemental disclosure of cash flow information:
Income taxes paid	$ 293	$ 22